20139045420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25819289}}^1$

素因数の和:25819314

約数の個数: 48

約数和(自身を含む): 60726970080

約数和(自身を除く): 40587924660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25819289, 51638578, 77457867, 103277156, 129096445, 154915734, 258192890, 309831468, 335650757, 387289335, 516385780, 671301514, 774578670, 1006952271, 1342603028, 1549157340, 1678253785, 2013904542, 3356507570, 4027809084, 5034761355, 6713015140, 10069522710, 20139045420]

約数ペア:

[(1, 20139045420), (2, 10069522710), (3, 6713015140), (4, 5034761355), (5, 4027809084), (6, 3356507570), (10, 2013904542), (12, 1678253785), (13, 1549157340), (15, 1342603028), (20, 1006952271), (26, 774578670), (30, 671301514), (39, 516385780), (52, 387289335), (60, 335650757), (65, 309831468), (78, 258192890), (130, 154915734), (156, 129096445), (195, 103277156), (260, 77457867), (390, 51638578), (780, 25819289)]